6 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Zephyrhills | 1 | 24,779 | 17,353 | 5.26% | 2,520 | 10 | City |
| New Port Richey | 2 | 18,811 | 16,768 | 1.85% | 4,106 | 5 | City |
| Dade City | 3 | 10,873 | 7,239 | 5.9% | 1,433 | 8 | City |
| Port Richey | 4 | 3,913 | 3,084 | 3.66% | 1,762 | 2 | City |
| St. Leo | 5 | 2,461 | 2,493 | -0.2% | 2,017 | 1 | Town |
| San Antonio | 6 | 1,715 | 1,301 | 4.19% | 1,235 | 1 | City |
Zephyrhills is the largest city in Pasco County, with a population of 24,779.
San Antonio is the smallest city in Pasco County, with a population of 1,715.
There are 6 cities in Pasco County, Florida.